October weather forecast
Saint David, IL

Weather in October

October, like September, in Saint David, Illinois, is another enjoyable autumn month, with temperature in the range of an average high of 63°F (17.2°C) and an average low of 46.6°F (8.1°C).

Temperature

In October, the average high-temperature drops from a moderately hot 76.6°F (24.8°C) in September to a comfortable 63°F (17.2°C). In Saint David, in October, the average low-temperature is 46.6°F (8.1°C).

Humidity

October is the least humid month in Saint David, with an average relative humidity of 71%.

Rainfall

In October, the rain falls for 10.5 days. Throughout October, 1.89" (48mm) of precipitation is accumulated. Throughout the year, in Saint David, there are 131.7 rainfall days, and 22.48" (571mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Saint David. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 27.4 snowfall days, and 9.21" (234mm) of snow is accumulated.

Daylight

In Saint David, the average length of the day in October is 11h and 7min.
On the first day of October, sunrise is at 6:56 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:58 pm CDT.

Sunshine

In Saint David, the average sunshine in October is 5.7h.

UV index

In Saint David, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 3 in October transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in October in Saint David?

In October, the average high-temperature is 63°F (17.2°C), and the average low-temperature is 46.6°F (8.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in August is evaluated at 89.6°F (32°C).

What is the least humid month in Saint David?

October is the least humid month in Saint David, Illinois, with an average relative humidity of 71%.

What is the average humidity in October in Saint David?

In October, the average relative humidity is 71%.

How much does it rain in Saint David in October?

In Saint David, Illinois, in October, it is raining for 10.5 days, with typically 1.89" (48mm) of accumulated precipitation.

When does it start to snow in Saint David?

October is the first month it typically snows in Saint David. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does Saint David have in October?

In October, the average day length in Saint David, Illinois, is 11h and 7min.

What time are sunrise and sunset in October in Saint David?

In October, on the first day of the month, sunrise is at 6:56 am and sunset at 6:43 pm. On the last day of the month, in Saint David, Illinois, sunrise is at 7:28 am and sunset at 5:58 pm CDT.

How long on average sun shines in October in Saint David?

In October, the average sunshine duration in Saint David is 5.7h.

How high is the UV index in October in Saint David?

In Saint David, Illinois, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Saint David, IL

Average temperature in October - Saint David, IL
  • Average high temperature in October: 63°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in October: 46.6°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

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Average pressure in October
Saint David, IL

Average pressure in October - Saint David, IL
  • Average pressure in October: 30.02"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in October
Saint David, IL

Average wind speed in October - Saint David, IL
  • Average wind speed in October: 9.2mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

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Average humidity in October
Saint David, IL

Average humidity in October - Saint David, IL
  • Average humidity in October: 71%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in October
Saint David, IL

Average rainfall in October - Saint David, IL
  • Average rainfall in October: 1.89"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is December (0.94").

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Average rainfall days in October
Saint David, IL

Average rainfall days in October - Saint David, IL
  • Average rainfall days in October: 10.5 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (4.7 days).

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Average snowfall in October
Saint David, IL

Average snowfall in October - Saint David, IL
  • Average snowfall in October: 0.04"

The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Saint David, IL

Average snowfall days in October - Saint David, IL
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Saint David, IL

Average daylight in October / Average sunshine in October - Saint David, IL
  • Average daylight in October: 11h and 7min

The month with the longest days is June (Average daylight: 15h and 1min).
The month with the shortest days is December (Average daylight: 9h and 20min).

  • Average sunshine in October: 5h and 42min

The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in October
Saint David, IL

Average sunshine days in October - Saint David, IL
  • Average sunshine days in October: 17.9 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.1 days).

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Average UV index in October
Saint David, IL

Average UV index in October - Saint David, IL
  • Average UV index in October: 3

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in October
Saint David, IL

Average cloud cover in October - Saint David, IL
  • Average cloud cover in October: 37

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 29).

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Average visibility in October
Saint David, IL

Average visibility in October - Saint David, IL
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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